CVE-2026-74879
Unauthenticated info disclosure in /ready endpoint of openssl_encrypt <1.4.0.
Is CVE-2026-74879 being exploited?
Not confirmed. CVE-2026-74879 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.26% probability of exploitation in the next 30 days.
How severe is CVE-2026-74879?
CVE-2026-74879 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-74879?
Yes. A fix has been recorded for CVE-2026-74879. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-74879 affect?
CVE-2026-74879 affects openssl_encrypt <1.4.0, Web applications exposing /ready endpoint using this library. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-74879?
Upgrade to openssl_encrypt 1.4.0+ and stop returning raw DB errors; restrict /ready access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attackers can trigger DB errors to extract hostnames, IPs, DB connection parameters and possible credentials.
Patch when possible
- affected< 1.4.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.